Tractor · 1980Unverified
International Harvester 3788
International Harvester 3788 — 30 2+2 Series · 171 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
171 hp
Max power
105.9 kW
Weight
16520 to 18620 pounds
Hover a source tag to verify
Overview
ManufacturerInternational HarvesterReference
Four-wheel Drive (4WD) tractorReference
Total built2,496Reference
Original price was $57,000 in 1981Reference
Four-wheel driveReference
Steeringhydrostatic powerReference
Hydraulic wet disc brakesReference
Cab standardReference
Engine
International Harvester 7.6L 6-cyl dieselReference
Fuel tank340.7 LReference
Drawbar (claimed)108.9 kWReference
Drawbar (tested)105.9 kWReference
International Harvester DT-466BReference
turbocharged dieselReference
6-cylinderReference
liquid-cooledReference
Displacement7.6 LReference
Bore/Stroke109 x 136 mmReference
Rated RPM2500Reference
Idle RPM780-2750Reference
Starter volts12Reference
Oil capacity18.9 LReference
Coolant capacity32.2 LReference
Power at rated engine speed127.2 kWReference
Max power105.9 kWReference
Transmission
12-speed two-range power shiftReference
TransmissionTorque AmplifierReference
Typetwo-range power shiftReference
Gears12 forward and 6 reverseReference
Clutch356mm hydraulic dry discReference
PTO & Hydraulics
PTO (claimed)127.2 kWReference
PTO (tested)127.2 kWReference
Typeclosed centerReference
Valves2Reference
Pump flow45.4 lpmReference
Rear TypeIIIReference
Rear PTOindependentReference
Rear PTO Type1000Reference
Engine RPM1000@2100Reference
Power at rated PTO speed124.1 kWReference
Dimensions
Wheelbase279 cmReference
Weight16520 to 18620 poundsReference
Front tire18.4-38Reference
Rear tire18.4-38Reference
Ag front18.4-38Reference
Ag rear18.4-38Reference
Length579 cmReference
Width258 cmReference
Height (cab)294 cmReference
Clearance (front axle)58 cmReference
Clearance (rear axle)67 cmReference
Front axle82 mmReference
Bar rear axle82 mmReference
Shipping7493 kgReference
Operating8446 kgReference
3788 Serial Numbers
Location:Right side of tractor frame, by rear axle.Reference
19808801Reference
198110866Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps72Reference
Charging amps100Reference
Batteries2Reference
Battery volts12Reference
Capacities
Max capacity10659 kgReference
Test results
Diesel 12-speed 4WDNovember 5 - 17, 1980Link: Nebraska Tractor Test 1377 fileReference
PTO performanceReference
Fuel use41.3 l/hourReference
Fuel use36.7 l/hourReference
Drawbar performanceReference
Fuel use40.5 l/hourReference
Gear 3-Low-Direct used for power test.Reference
Max pull8649 kgReference
Gear 1-Low-Direct used for pull test.Reference
Speeds
With 18.4-38 rear tires.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.